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// 1999-05-11 bkoz

// Copyright (C) 1999, 2002, 2003, 2004, 2009 Free Software Foundation, Inc.

//

// This file is part of the GNU ISO C++ Library.  This library is free

// software; you can redistribute it and/or modify it under the

// terms of the GNU General Public License as published by the

// Free Software Foundation; either version 3, or (at your option)

// any later version.

// This library is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along

// with this library; see the file COPYING3.  If not see

// <http://www.gnu.org/licenses/>.

// 21.3.3 string capacity

#include <string>

#include <testsuite_hooks.h>

void test01()

{

  // POD types : resize, capacity, reserve

  bool test __attribute__((unused)) = true;

  std::string str01;

  typedef std::string::size_type size_type_s;

  size_type_s sz01 = str01.capacity();

  str01.reserve(100);

  size_type_s sz02 = str01.capacity();

  VERIFY( sz02 >= sz01 );

  VERIFY( sz02 >= 100 );

  str01.reserve();

  sz01 = str01.capacity();

  VERIFY( sz01 == 0 );

  sz01 = str01.size() + 5;

  str01.resize(sz01);

  sz02 = str01.size();

  VERIFY( sz01 == sz02 );

  sz01 = str01.size() - 5;

  str01.resize(sz01);

  sz02 = str01.size();

  VERIFY( sz01 == sz02 );

  std::string str05(30, 'q');

  std::string str06 = str05;

  str05 = str06 + str05;

  VERIFY( str05.capacity() >= str05.size() );

  VERIFY( str06.capacity() >= str06.size() );

  // POD types: size, length, max_size, clear(), empty()

  bool b01;

  std::string str011;

  b01 = str01.empty();

  VERIFY( b01 == true );

  sz01 = str01.size();

  sz02 = str01.length();

  VERIFY( sz01 == sz02 );

  str01.c_str();

  sz01 = str01.size();

  sz02 = str01.length();

  VERIFY( sz01 == sz02 );

  sz01 = str01.length();

  str01.c_str();

  str011 = str01 +  "_addendum_";

  str01.c_str();

  sz02 = str01.length();

  VERIFY( sz01 == sz02 );

  sz02 = str011.length();

  VERIFY( sz02 > sz01 );

  // trickster allocator issues involved with these:

  std::string str3 = "8-chars_8-chars_";

  std::string str4 = str3 + "7-chars";

  sz01 = str01.size();

  sz02 = str01.max_size();

  VERIFY( sz02 >= sz01 );

  sz01 = str01.size();

  str01.clear();

  b01 = str01.empty();

  VERIFY( b01 == true );

  sz02 = str01.size();

  VERIFY( sz01 >= sz02 );

}

int main()

{

  test01();

  return 0;

}